Check what method your SIP provider uses for DTMF: is it RFC2833, in-band or INFO? Then make sure you have the same set in SIP profile. If it does not help, capture wireshark from SIP provider and debug log from FreeSWITCH. It will give you all you need to pinpoint the problem. On 13-03-19 02:30 PM, Sayyed Mohammad Emami Razavi wrote:
No digits are passed from cellphone or your home phone but when you press any key from your registered IP phone on local lan, digits are passed very well, what is the problem? This problem is new and beforehand i had no problem with dtmf from cellphone! Every thing is good, all logs are good, my IVR that gets digits and transfer calls are good and no problem exists in these aspects. May my trunk kill or resolve or delete all DTMF signals on sofia sip?! Is problem from some configuration in sofia?! any idea?
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